Government of India. (1949). Railway map of India. the director of brigadier surveyor general of India.
Cita Chicago Style (17a ed.)Government of India. Railway Map of India. India: the director of brigadier surveyor general of India, 1949.
Cita MLA (9a ed.)Government of India. Railway Map of India. the director of brigadier surveyor general of India, 1949.
Precaución: Estas citas no son 100% exactas.